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Atrioventricular canal (endocardial cushion defect)

Atrioventricular canal (endocardial cushion defect)

Overview

Endocardial cushion defect is an abnormal heart condition which occurs during the development of the baby. In this condition there is no separation between the chambers of the heart. Without the separation, oxygen-rich and oxygen-poor blood mix causing the heart to work harder. Endocardial cushion defect is strongly associated with several genetic abnormalities.

Review Date 5/6/2016

Updated by: Scott I. Aydin, MD, Assistant Professor of Pediatrics, Albert Einstein College of Medicine, Division of Pediatric Cardiology and Critical Care Medicine, The Children's Hospital at Montefiore, Bronx, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.